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3 years ago

12

Hii!! I'm struggling a little on this, could someone help me with both the questions? thanks!! (how do i give brainliest help il

l give brainliest to the best answer)

1 answer:

romanna [79]3 years ago

8 0

Look AT IMAGE

Step-by-step explanation:

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Two mechanics worked on a car. The first mechanic charged 105

den301095 [7]

The 105 per hour mechanic worked for 10 hours and the other worked for 15. here's the math.

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3 years ago

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The combined average weight of an okapi and a llama is 450 kilograms. The average weight of 3 llamas is 190 kilograms more than

Law Incorporation [45]

Let K=average weight of an okapi and L=that of a llama.
3L=K+190 and K+L=450 so K=450-L. Therefore 3L=450-L+190, 4L=640, L=160kg and K=450-160=290kg.
Okapi weighs 290kg, llama weighs 160kg.

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3 years ago

Find the area of the shaded sector. Leave your answer in terms of π.

bearhunter [10]

Answer:

d=10m

r=10/2=5m

The Area is:

(πr^{2}) /2

(π5^2) / 2

=25π/2

=12.5π

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2 years ago

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Answer 1a please and thank you

arlik [135]

Answer:h

Step-by-step explanation:

j

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2 years ago

A marina is in the shape of a coordinate grid. Boat A is docked at (3.1, −1) and Boat B is docked at (−4.1, −1). The boats are _

kirill115 [55]

Answer:

d = 7.2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra II</u>

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

<u>Step 1: Define</u>

Boat A(3.1, -1)

Boat B(-4.1, -1)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>.

Substitute [DF]: $d = \sqrt{(-4.1-3.1)^2+(-1+1)^2}$
Subtract/Add: $d = \sqrt{(-7.2)^2+(0)^2}$
Exponents: $d = \sqrt{51.84}$
Evaluate: $d = 7.2$

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2 years ago

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